// Copyright 2024 PISA developers
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include <fstream>

#include "fmt/core.h"
#include "pisa/stream.hpp"

namespace pisa {

FileOpenError::FileOpenError(std::string const& file)
    : m_message(fmt::format("failed to open file: {}", file)) {}

auto FileOpenError::what() const noexcept -> char const* {
    return m_message.c_str();
}

auto WriteError::what() const noexcept -> char const* {
    return "failed to write to stream";
}

auto open_file_w(std::string const& filename) -> std::ofstream {
    auto stream = std::ofstream(filename);
    if (!stream) {
        throw FileOpenError(filename);
    }
    return stream;
}

}  // namespace pisa
